Quiz1 - equilibrium between reactants and products. TRUE...

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Quiz 1 NOTE - THIS IS TWO SIDED!!!!!!! NAME________________ MCB123 7 Oct 09 student ID #____________ 1A) (3 pts.) K S is a dissociation constant that describes the equilibrium between substrate and enzyme (you can ignore the process described by k p for this part of the question). Calculate [ES] if K S = 10 -9 M; [E] = 10 -8 M and [S] = 10 -5 M. 1B) (1 pt.) In the above example (i.e. 1A), what velocity would be observed at that ES concentration if k p = 100 sec -1 ? 2) T/F (0.5 pt. each) TRUE FALSE The half life of a unireactant zero order reaction is independent of the starting reactant concentration. TRUE FALSE Enzymes accelerate reactions by altering thermodynamic
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Unformatted text preview: equilibrium between reactants and products. TRUE FALSE A system at steady state is also at equilibrium. TRUE FALSE An intermediate in a reaction is not the same thing as the transition state. 3) (2 pts.)Consider the following familiar reaction scheme: What are the reaction orders and units associated with the following constants. Constant Reaction order Units k 1 k-1 4) (2 pts.) For the zero order reaction A P sketch (with properly labeled axes): A) A progress curve for the reaction (be sure to make it clear whether it is linear or nonlinear). B) Velocity versus [A] (same point about linearity/nonlinearity)...
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This note was uploaded on 02/18/2011 for the course MCB 123 taught by Professor Segel during the Fall '09 term at UC Davis.

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Quiz1 - equilibrium between reactants and products. TRUE...

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